1. a Japan International Cooperation Agency (JICA), Niban-cho, Chiyoda-ku, Tokyo, Japan
2. b Eight-Japan Engineering Consultants Inc., Nakano-ku, Tokyo, Japan
3. c Khojagii Manziliyu-Kommunali, Dushanbe, Tajikistan
4. d Japan International Cooperation Agency (JICA), Niban-cho, Chiyoda-ku, Tokyo, Japan